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73533 Zip Code (Duncan, OK) Detailed Profile. Cities: Duncan, OK (10.67%), Central High, OK (4.77%), Empire City, OK (2.28%), Bray, OK (1.08%), Marlow, OK (0.00%), Velma, OK (0.00%) Counties: Stephens County, OK (98.70%), Cotton County, OK (1.30%)
Zip Code 73701 Time Zone. 73701 is located in the state of Oklahoma in the Oklahoma City metro area. Zip code 73701 is primarily located in Garfield County. The official postal service name used for 73701 is ENID, Oklahoma. Portions of the 73701 zip code are contained within or border the city limits of Enid, OK, Breckenridge, OK, and North Enid, OK. The 73701 area code is 580.